ThreatModeler Nexus vs CYMETRIS

ThreatModeler Nexus9.2Visit CYMETRIS9.0Visit

Higher score ThreatModeler Nexus #3 in Threat Modeling Software 9.2/10 Free plan Free plan✓ 3 of 4 features Visit ThreatModeler

vs

CYMETRIS #5 in Threat Modeling Software 9.0/10 Paid ✓ 4 of 4 features Visit CYMETRIS

• ThreatModeler Nexus fits best

  Cloud-native teams needing AI-assisted modeling

• CYMETRIS fits best

  Automotive teams running ISO/SAE 21434 TARA

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Side by side

Feature	ThreatModeler Nexus 9.2/10 Visit ↗	CYMETRIS 9.0/10 Visit ↗
At a glance
Editor score	9.2	9.0
Ranking	#3 in Threat Modeling Software	#5 in Threat Modeling Software
Best for	Cloud-native teams needing AI-assisted modeling	Automotive teams running ISO/SAE 21434 TARA
Pricing model	Free plan + paid	Paid
Starting price	Free plan	€99/mo
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web	Web
Support	Email, Tickets	Email, Tickets, Docs
Compliance	SOC 2, ISO 27001, SSO/SAML	GDPR
Integrations	14 integrations	6 integrations
Built for	Enterprise, Mid-market	Solo, Small business, Mid-market, Enterprise
Features ThreatModeler Nexus 3/4 · CYMETRIS 4/4
Attack-path analysis	✓	✓
Risk prioritization	✓	✓
Collaborative review	Not checked yet	✓ (best)
Templates and frameworks	✓	✓
Specs
Project limit	Not checked yet	5 projects
Modeling methods	Multiple	Multiple
Deployment	Both	Both
Our review
Pros	Maps systems from diagrams, code, documents, cloud, and infrastructure-as-code Prioritizes risk and records attack paths with threats and countermeasures Connects modeling with CI/CD, compliance reporting, SSO, and audit trails	Guided ISO/SAE 21434 TARA workflow with automatic logic checks Interactive attack-path modeling linked to architecture components Lifecycle versioning, vulnerability linkage, and collaborative review
Cons	No open-source edition The listed platform is web-based rather than a native desktop client Enterprise governance features may add overhead to lightweight reviews	CYMETRIS Lite allows up to five active projects No free plan is available Lite support is ticket-based rather than priority support with an SLA
Our verdict	ThreatModeler Nexus is an enterprise threat-modeling platform for security, architecture, development, and compliance teams. It builds system maps from architecture diagrams, code, documents, cloud environments, and infrastructure-as-code,… Read the review →	CYMETRIS is a threat modeling and cyber risk analysis platform for security engineers, product security teams, and cybersecurity consultants. Its strongest fit is automotive product security, where guided Threat Analysis and Risk… Read the review →

Strengths and trade-offs

• ThreatModeler Nexus — where it wins

  • Maps systems from diagrams, code, documents, cloud, and infrastructure-as-code
  • Prioritizes risk and records attack paths with threats and countermeasures
  • Connects modeling with CI/CD, compliance reporting, SSO, and audit trails

  Where it doesn't

  • No open-source edition
  • The listed platform is web-based rather than a native desktop client
  • Enterprise governance features may add overhead to lightweight reviews

• CYMETRIS — where it wins

  • Guided ISO/SAE 21434 TARA workflow with automatic logic checks
  • Interactive attack-path modeling linked to architecture components
  • Lifecycle versioning, vulnerability linkage, and collaborative review

  Where it doesn't

  • CYMETRIS Lite allows up to five active projects
  • No free plan is available
  • Lite support is ticket-based rather than priority support with an SLA

• ThreatModeler Nexus9.2/10 · Free plan

  AI-assisted threat modeling with attack paths, risk prioritization, compliance, and CI/CD checks.

  Visit ThreatModelerFull verdict →
• CYMETRIS9.0/10 · Paid

  A focused TARA platform for automotive teams managing ISO/SAE 21434 risk.

  Visit CYMETRISFull verdict →